ChatPDF - Chat PDF AI

Afirstsoft PDF is a powerful and versatile PDF editor, PDF converter, and PDF scanner.

A mobile document scanner that converts smartphone camera photos into PDF and JPEG files with automatic quality enhancement, QR/barcode scanning, and cloud upload capabilities.

MobiOffice is a mobile application for reading, editing and creating Word, Excel, PowerPoint and PDF documents with cloud synchronization, but features intrusive ads and a paid subscription for basic functions that often work unstably.

A simple app for viewing documents (PDF, Word, Excel, PowerPoint, TXT) with file organization into folders, but it is bulky and intrusively advertised in the free version.

WPS Office is an office suite for working with Word, Excel, PowerPoint, PDF documents and notes, positioned as an alternative to Microsoft Office.

Word Office is a universal app that simplifies viewing and managing any files.

Free app for scanning documents with smartphone camera, featuring automatic perspective correction, shadow removal, and saving to PDF/JPG. Includes OCR for 18 languages.

The app scans documents to PDF/JPEG with OCR and stores them on device, but in Russia it is limited by sanctions (maximum 5 pages), and recent updates have caused stability and scan loading issues.